Unit 2 Accelerations ... Compute the answers and match the following. A rock is thrown vertically into...

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Physics

Unit 2 Accelerations ...
Compute the answers and match the following.

A rock is thrown vertically into the air. At the top of itspath, its downward acceleration is ...

A jumbo jet has a mass of about m = 100,000 kg. Whileaccelerating on the runway, the thrust for each of its four enginesis about F = 50,000 N. What is the jet's acceleration?

A skydiver with a mass of about m = 100 kg experiences airresistance of about Fair = 700 N, and a downwardacceleration (magnitude) of about ...

A sack of potatoes weighing about FW = –200 N fallsfrom an airplane. As the velocity of fall increases, air resistancealso increases. When air resistance equals about Fair =200 N, the sack's acceleration is ...

A.

a = 0 m/s2

B.

a = 0.8 m/s2

C.

a = 2 m/s2

D.

a = 3 m/s2

E.

a = 4.9 m/s2

F.

a = –g = –9.8 m/s2

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